Left-handed reliever Aaron Fultz was placed on the 15-day disabled list because of a strained muscle in his right rib cage. Right-hander Edward Mujica was recalled from triple-A Buffalo to take his spot on the roster, and rookie Rafael Perez figures to slide into Fultz's role as the late-inning lefty. ... Outfielder David Dellucci will have surgery to repair his strained left hamstring. "On the spectrum of hamstring injuries, it's fairly benign," trainer Lonnie Soloff said.